In these video we modify old emergency light. Older emergency light system has lead acid battery which was dead. So we replaced it with lithium ion cell and tp4056 module.. also we connect selector switch to change mode or select led...
Mode1- Low intensity Cob
Mode 2- high intensity COB
Mode 3- Warm white plate
Mode 4- 9 colors blinking Led
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Blue Chill Blender Intro Template Free Download-[no copyright Intro]
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